v25.05rc1

Release Candidate for Core Lightning v25.05

Features for Users

• Reduced latency of commit and revoke messages.
• Reckless can update existing reckless-installed plugins via reckless update.
• Fixed routing of AskRene via high capacity channels.
• More accurate anchor fees.

Features for Developers

• listhtlcs pagination support with index, start and end parameters.
• The wait api now supports the listhtlcs subsystem.
• The beginnings of LSPS client and server plugins so far implementing the LSPS0 transport protocol.
• New signmessagewithkey rpc to sign input messages with our wallet keys
• sendonion is now compatible with sendpay with addition of total_amount_msat parameter.

Protocol Updates

• Peer storage graduates from experimental to default feature while bringing performance improvements.
• Splicing interoperability with Eclair and splice RBF capability.

See the changelog for full details.

Thank you from the Core Lightning Team:
@endothermicdev, @rustyrussell, @cdecker, @nepet, @ShahanaFarooqui, and @niftynei.